> ## Documentation Index
> Fetch the complete documentation index at: https://docs.elementary-data.com/llms.txt
> Use this file to discover all available pages before exploring further.

# exclude_regexp

> [card] [Generate your anomaly test with Elementary AI](https://elementary-data.com/community)
>
> Let our Slack chatbot create the anomaly test you need.

`exclude_regexp: [regex]`

Param for the `all_columns_anomalies` test only, which enables to exclude a column from the tests based on regular expression match.

* *Default: None*
* *Relevant tests: `all_columns_anomalies`*
* *Configuration level: test*

```yml test theme={null}
models:
  - name: this_is_a_model
    data_tests:
      - elementary.column_anomalies:
          arguments:
            exclude_regexp: ".*SDC$"
```


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.